388487040

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:221

約数の個数: 256

約数和(自身を含む): 1311344640

約数和(自身を除く): 922857600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 61, 62, 64, 80, 93, 96, 107, 120, 122, 124, 128, 155, 160, 183, 186, 192, 214, 240, 244, 248, 305, 310, 320, 321, 366, 372, 384, 428, 465, 480, 488, 496, 535, 610, 620, 640, 642, 732, 744, 856, 915, 930, 960, 976, 992, 1070, 1220, 1240, 1284, 1464, 1488, 1605, 1712, 1830, 1860, 1891, 1920, 1952, 1984, 2140, 2440, 2480, 2568, 2928, 2976, 3210, 3317, 3424, 3660, 3720, 3782, 3904, 3968, 4280, 4880, 4960, 5136, 5673, 5856, 5952, 6420, 6527, 6634, 6848, 7320, 7440, 7564, 7808, 8560, 9455, 9760, 9920, 9951, 10272, 11346, 11712, 11904, 12840, 13054, 13268, 13696, 14640, 14880, 15128, 16585, 17120, 18910, 19520, 19581, 19840, 19902, 20544, 22692, 23424, 25680, 26108, 26536, 28365, 29280, 29760, 30256, 32635, 33170, 34240, 37820, 39040, 39162, 39804, 41088, 45384, 49755, 51360, 52216, 53072, 56730, 58560, 59520, 60512, 65270, 66340, 68480, 75640, 78324, 79608, 90768, 97905, 99510, 102720, 104432, 106144, 113460, 117120, 121024, 130540, 132680, 151280, 156648, 159216, 181536, 195810, 199020, 202337, 205440, 208864, 212288, 226920, 242048, 261080, 265360, 302560, 313296, 318432, 363072, 391620, 398040, 404674, 417728, 424576, 453840, 522160, 530720, 605120, 607011, 626592, 636864, 726144, 783240, 796080, 809348, 835456, 907680, 1011685, 1044320, 1061440, 1210240, 1214022, 1253184, 1273728, 1566480, 1592160, 1618696, 1815360, 2023370, 2088640, 2122880, 2428044, 2506368, 3035055, 3132960, 3184320, 3237392, 3630720, 4046740, 4177280, 4856088, 6070110, 6265920, 6368640, 6474784, 8093480, 9712176, 12140220, 12531840, 12949568, 16186960, 19424352, 24280440, 25899136, 32373920, 38848704, 48560880, 64747840, 77697408, 97121760, 129495680, 194243520, 388487040]

約数ペア:

[(1, 388487040), (2, 194243520), (3, 129495680), (4, 97121760), (5, 77697408), (6, 64747840), (8, 48560880), (10, 38848704), (12, 32373920), (15, 25899136), (16, 24280440), (20, 19424352), (24, 16186960), (30, 12949568), (31, 12531840), (32, 12140220), (40, 9712176), (48, 8093480), (60, 6474784), (61, 6368640), (62, 6265920), (64, 6070110), (80, 4856088), (93, 4177280), (96, 4046740), (107, 3630720), (120, 3237392), (122, 3184320), (124, 3132960), (128, 3035055), (155, 2506368), (160, 2428044), (183, 2122880), (186, 2088640), (192, 2023370), (214, 1815360), (240, 1618696), (244, 1592160), (248, 1566480), (305, 1273728), (310, 1253184), (320, 1214022), (321, 1210240), (366, 1061440), (372, 1044320), (384, 1011685), (428, 907680), (465, 835456), (480, 809348), (488, 796080), (496, 783240), (535, 726144), (610, 636864), (620, 626592), (640, 607011), (642, 605120), (732, 530720), (744, 522160), (856, 453840), (915, 424576), (930, 417728), (960, 404674), (976, 398040), (992, 391620), (1070, 363072), (1220, 318432), (1240, 313296), (1284, 302560), (1464, 265360), (1488, 261080), (1605, 242048), (1712, 226920), (1830, 212288), (1860, 208864), (1891, 205440), (1920, 202337), (1952, 199020), (1984, 195810), (2140, 181536), (2440, 159216), (2480, 156648), (2568, 151280), (2928, 132680), (2976, 130540), (3210, 121024), (3317, 117120), (3424, 113460), (3660, 106144), (3720, 104432), (3782, 102720), (3904, 99510), (3968, 97905), (4280, 90768), (4880, 79608), (4960, 78324), (5136, 75640), (5673, 68480), (5856, 66340), (5952, 65270), (6420, 60512), (6527, 59520), (6634, 58560), (6848, 56730), (7320, 53072), (7440, 52216), (7564, 51360), (7808, 49755), (8560, 45384), (9455, 41088), (9760, 39804), (9920, 39162), (9951, 39040), (10272, 37820), (11346, 34240), (11712, 33170), (11904, 32635), (12840, 30256), (13054, 29760), (13268, 29280), (13696, 28365), (14640, 26536), (14880, 26108), (15128, 25680), (16585, 23424), (17120, 22692), (18910, 20544), (19520, 19902), (19581, 19840)]